Rainier, Washington, United States of America: What to pack, what to wear, and when to go [2023]

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Traveling to Rainier, Washington, United States of America? If you're planning to go to Rainier, the following is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Rainier, Washington, United States of America

Based on the climate and weather in Rainier, Washington, United States of America, the best time to go is August. See below for details.

What to wear/what to pack for Rainier, Washington, United States of America

Already know when you're traveling?

Here are some general tips on what to wear in Rainier, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Rainier, Washington, United States of America by month

January

January in Rainier is pretty cool and very rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Folding travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be sure to find the correct kind. The vast majority of adapters currently being sold are just plug changers and expect your electronics to change the voltage themselves. If your electronics can't do that they could get fried. This one should work in most locations.

  • Travel neck pillow

    A top rated pillow is this one

February

If you visit Rainier during February, you might notice that it is brisk and somewhat rainy. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the 30s F (single digits C). Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Plug adapter

    A plug adapter that supports outlet types A and B. Be sure to pick the necessary type. Many adapters available are just plug changers and require your devices to adjust the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A top rated pillow is this one

  • Folding travel stroller

    This stroller weighs just 10 lbs and folds to the size of a big book.

  • Power bank for devices

    A portable power bank, like this one

March

March in Rainier is crisp and very rainy. The average overnight temperatures in the area are in the low 30s F (single digits C). It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 60% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Check that you pick the correct kind. The vast majority of adapters currently available are just plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could get fried. This one works in most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Travel neck pillow

    An excellent option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

April

In April, Rainier is relatively cool and somewhat rainy. Temperatures routinely are in the low 60s F (mid 10s C) and about a third of the time jump into the 60s F (high 10s C) range. At night, lows are in the low 40s F (single digits C). This is also a rainy time for Rainier, with several of the days of the month having rain. In April, humidity reaches as high as 60%.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to get the right kind. The majority of adapters currently available are just plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could get fried. This one works in most areas.

  • Travel neck support pillow

    A top rated pillow is this one

  • Easy folding travel stroller

    This stroller weighs just 10 pounds and folds to the size of a big book.

May

May in Rainier is mild and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C). It tends to rain regularly. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

  • Easy folding travel stroller

    This stroller weighs almost 10 pounds and folds to the size of a big book.

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the necessary kind. The vast majority of adapters currently being sold are simply plugs and expect your devices to adjust the voltage themselves. If your devices can't do that they could get fried. This one should be appropriate for most areas.

June

If you vacation in Rainier during June, you might find that it is a perfect temperature. Temperatures tend to hover around the 70s F (low 20s C) during the day, while at night they can dip into the 50s F (low 10s C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to pick the correct type. The vast majority of adapters available are just plug changers and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should work in most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Ultralightweight travel stroller

    This stroller weighs just 10 pounds and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    A good option is this one

July

If you visit Rainier during July, you are likely to see that it is hot and dry with little rain. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C). Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain once in a while.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

Comfort + Essentials
  • Travel neck support pillow

    What we like is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Super portable foldable travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the right type. Many adapters available are just plug changers and require your devices to convert the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most locations.

August

If you go to Rainier in August, you will notice that it is hot and dry with little rain. Expect it to rain once in a while. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Folding travel stroller

    This stroller weighs just 10 lbs and folds to the size of a big book.

  • Travel adapter

    A plug adapter that supports outlet types A and B. Take care to pick the correct type. Most adapters currently being sold are simply plugs and require your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one should be sufficient for most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    Our fave is this one

September

If you go to Rainier in September, you will notice that it is a perfect temperature. Expect it to rain about a third of the time. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Easy folding travel stroller

    This stroller weighs only 10 pounds and folds to the size of a big book.

  • Travel neck pillow

    A versatile choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Make sure to find the correct kind. The majority of adapters on sale are simply plug changers and require your devices to change the voltage themselves. If your devices can't do that they could get destroyed. This one should be appropriate for most countries.

October

October in Rainier is relatively cool and somewhat rainy. The average overnight temperatures in the area are in the 40s F (single digits C). It tends to rain a bit less than half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Ultralightweight travel stroller

    This stroller weighs almost 10 pounds and folds to the size of a big book.

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the right kind. Many adapters available are just plug changers and require your electronics to adjust the voltage themselves. If yours can't do that they could get fried. This one should be sufficient for most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    What we like is this one

November

November in Rainier is brisk and very rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the correct kind. The majority of adapters currently being sold are simply plug changers and expect your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most countries.

  • Easy folding travel stroller

    This stroller weighs only 10 lbs and folds to the size of a big book.

  • Travel neck support pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

December

If you go to Rainier in December, you will notice that it is brisk and very rainy. Expect it to rain about two thirds of the time. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Rainier. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Ultralightweight travel stroller

    This stroller weighs only 10 pounds and folds to the size of a big book.

  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the necessary type. A lot of adapters currently sold are simply plug changers and expect your electronics to change the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most places.

  • Travel neck pillow

    A good option is this one

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

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